$OpenBSD: patch-src_interfaces_libpq_Makefile,v 1.13 2016/12/18 18:18:27 jeremy Exp $
--- src/interfaces/libpq/Makefile.orig	Mon Jul 18 22:54:26 2016
+++ src/interfaces/libpq/Makefile	Wed Aug  3 15:58:08 2016
@@ -16,8 +16,8 @@ include $(top_builddir)/src/Makefile.global
 
 # shared library parameters
 NAME= pq
-SO_MAJOR_VERSION= 5
-SO_MINOR_VERSION= 9
+SO_MAJOR_VERSION= ${LIBpq_MAJOR}
+SO_MINOR_VERSION= ${LIBpq_MINOR}
 
 override CPPFLAGS :=  -DFRONTEND -DUNSAFE_STAT_OK -I$(srcdir) $(CPPFLAGS) -I$(top_builddir)/src/port -I$(top_srcdir)/src/port
 ifneq ($(PORTNAME), win32)
